Wristwatch



FIG. 1 is a left side elevational view of a wristwatch showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a perspective view of the front and right side thereof; and,

FIG. 7 is a front elevational view thereof, photographed on an enlarged scale with respect to FIGS. 1 through 6. 

CLAIM The ornamental design for a wristwatch, as shown and described. 